1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 14, 2018.

2. The price reported is a weighted average sale price. The sale price ranged from $53.07 to $53.90. Reporting Person provided Issuer full information regarding the number of shares sold at each separate price. Issuer will provide, upon receipt of a request, a copy of this information to the SEC staff or a security holder of the issuer.

3. The price reported is a weighted average sale price. The sale prices ranged from $52.77 to $53.67. Reporting Person provided Issuer full information regarding the number of shares sold at each separate price. Issuer will provide, upon receipt of a request, a copy of this information to the SEC staff or a security holder of the issuer.

4. The price reported is a weighted average sale price. The sale prices ranged from $53.79 to $54.13. Reporting Person provided Issuer full information regarding the number of shares sold at each separate price. Issuer will provide, upon receipt of a request, a copy of this information to the SEC staff or a security holder of the Issuer.

5. The price reported is a weighted average sale price. The sale prices ranged from $52.46 to $53.01. Reporting Person provided Issuer full information regarding the number of shares sold at each separate price. Issuer will provide, upon receipt of a request, a copy of this information to the SEC staff or a security holder of the issuer.

Remarks:

Stephen T. Winn serves on the Issuer's board of directors and is expected to continue to serve until his successor is appointed and qualified or until his earlier removal or resignation in accordance with the Issuer's certificate of incorporation and bylaws. Stephen T. Winn is the sole manager and president of the general partner of the reporting person.